Optimization of pulse-height sharing for use below 150 keV in long bars of NaI(Tl)

DOIResolve DOI: http://doi.org/10.1109/NSSMIC.2011.6154535
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Conference2011 IEEE Nuclear Science Symposium and Medical Imaging Conference (2011 NSS/MIC), 2011-10-23 - 2011-10-29, Valencia, Spain
Pages440443; # of pages: 4
Subjectgamma-ray detection; nuclear electronics; solid scintillation detectors
AbstractIn this work we present an optimization of the energy and position resolutions for use in gamma-ray interactions in a long bar of NaI(TI). This work focuses on tuning the effective optical attenuation coefficient to approximately the same length of the bar. This is achieved by altering the surface of the scintillator in a systematic manner. We present data obtained in the laboratory from measurements of eighteen bars of NaI(TI) that have been manufactured with various treatments of the surface. This process results in an improvement in position resolution by a factor of four over a polished bar with only a corresponding 20% decrease in energy resolution.
AffiliationNational Research Council Canada
Peer reviewedYes
NPARC number21269139
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Record identifier3dc97f0e-0478-4c32-b228-831e231bec56
Record created2013-12-09
Record modified2016-05-09
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